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參數(shù)資料
| 型號(hào)： | MAX6641AUB94+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 溫度/濕度傳感器 |
| 英文描述： | SMBus-Compatible Temperature Monitor with Automatic PWM Fan-Speed Controller |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
| 封裝： | 3 X 3 MM,LEAD FREE, MO-187C-BA, USOP-10 |
| 文件頁(yè)數(shù)： | 1/19頁(yè) |
| 文件大?。?/td> | 538K |
| 代理商： | MAX6641AUB94+ |
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General Description
The MAX6641 temperature sensor and fan controller
accurately measures the temperature of its own die and
the temperature of a remote pn junction. The device
reports temperature values in digital form using a 2-wire
serial interface. The remote pn junction is typically the
emitter-base junction of a common-collector pnp on a
CPU, FPGA, or ASIC.
The 2-wire serial interface accepts standard System
Management Bus (SMBus)TM write byte, read byte,
send byte, and receive byte commands to read the
temperature data and program the alarm thresholds.
The temperature data controls a PWM output signal to
adjust the speed of a cooling fan, thereby minimizing
noise when the system is running cool, but providing
maximum cooling when power dissipation increases.
The device also features an over-temperature alarm
output to generate interrupts, throttle signals, or shut
down signals. The MAX6641 operates from supply volt-
ages in the 3.0V to 5.5V range and typically consumes
500A of supply current.
The MAX6641 is available in a slim 10-pin MAX pack-
age and is available over the -40
°C to +125°C automo-
tive temperature range.
Applications
Desktop Computers
Notebook Computers
Workstations
Servers
Networking Equipment
Industrial
Features
Tiny 3mm x 5mm MAX Package
Thermal Diode Input
Local Temperature Sensor
Open-Drain PWM Output for Fan Drive
Programmable Fan Control Characteristics
Automatic Fan Spin-Up Ensures Fan Start
±1°C Remote Temperature Accuracy (+60°C to
+145°C)
Controlled Rate of Change Ensures Unobtrusive
Fan-Speed Adjustments
Temperature Monitoring Begins at Power-On for
Fail-Safe System Protection
OT Output for Throttling or Shutdown
MAX6641
SMBus-Compatible Temperature Monitor with
Automatic PWM Fan-Speed Controller
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-3304; Rev 1; 4/06
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
PIN-
PACKAGE
SMBus
ADDRESS
PKG
CODE
MAX6641AUB90
10 MAX
1001 000x
U10-2
MAX6641AUB92
10 MAX
1001 001x
U10-2
MAX6641AUB94
10 MAX
1001 010x
U10-2
MAX6641AUB96
10 MAX
1001 011x
U10-2
1
2
3
4
5
10
9
8
7
6
PWMOUT
VCC
SMBDATA
SMBCLK
GND
DXP
DXN
I.C.
MAX6641
MAX
TOP VIEW
I.C.
OT
Pin Configuration
MAX is a registered trademark of Maxim Integrated Products, Inc.
SMBus is a trademark of Intel Corp.
Typical Application Circuit appears at end of data sheet.
Note: All devices are specified over the -40°C to +125°C tem-
perature range.
相關(guān)PDF資料 |
PDF描述 |
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| MAX6641AUB94+T | SMBus-Compatible Temperature Monitor with Automatic PWM Fan-Speed Controller |
| MAX6641AUB96+ | SMBus-Compatible Temperature Monitor with Automatic PWM Fan-Speed Controller |
| MAX6641AUB96+T | SMBus-Compatible Temperature Monitor with Automatic PWM Fan-Speed Controller |
| MAX6642ATT92+T | ±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm |
| MAX6642ATT94+T | ±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6641AUB94+ | 功能描述:板上安裝溫度傳感器 SMBus-Compatible Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6641AUB94+T | 功能描述:板上安裝溫度傳感器 SMBus-Compatible Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6641AUB94-T | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6641AUB96 | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6641AUB96+ | 功能描述:板上安裝溫度傳感器 SMBus-Compatible Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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